java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem11_label35_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-15 19:36:08,779 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-15 19:36:08,781 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-15 19:36:08,794 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-15 19:36:08,794 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-15 19:36:08,796 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-15 19:36:08,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-15 19:36:08,798 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-15 19:36:08,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-15 19:36:08,801 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-15 19:36:08,802 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-15 19:36:08,802 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-15 19:36:08,803 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-15 19:36:08,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-15 19:36:08,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-15 19:36:08,806 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-15 19:36:08,807 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-15 19:36:08,809 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-15 19:36:08,811 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-15 19:36:08,813 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-15 19:36:08,814 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-15 19:36:08,815 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-15 19:36:08,818 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-15 19:36:08,818 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-15 19:36:08,819 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-15 19:36:08,820 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-15 19:36:08,821 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-15 19:36:08,821 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-15 19:36:08,822 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-15 19:36:08,824 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-15 19:36:08,824 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-15 19:36:08,825 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-15 19:36:08,825 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-15 19:36:08,825 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-15 19:36:08,826 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-15 19:36:08,827 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-15 19:36:08,827 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-09-15 19:36:08,860 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-15 19:36:08,860 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-15 19:36:08,861 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-15 19:36:08,864 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-15 19:36:08,864 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-15 19:36:08,865 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-15 19:36:08,865 INFO L133 SettingsManager]: * Congruence Domain=false [2018-09-15 19:36:08,865 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-15 19:36:08,865 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-09-15 19:36:08,865 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-15 19:36:08,866 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-15 19:36:08,866 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-15 19:36:08,867 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-15 19:36:08,868 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-15 19:36:08,868 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-15 19:36:08,868 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-15 19:36:08,868 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-15 19:36:08,870 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-15 19:36:08,870 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-15 19:36:08,871 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-15 19:36:08,871 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-15 19:36:08,871 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-15 19:36:08,871 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-15 19:36:08,872 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-15 19:36:08,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:36:08,872 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-15 19:36:08,872 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-15 19:36:08,873 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-15 19:36:08,873 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-09-15 19:36:08,873 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-15 19:36:08,873 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-15 19:36:08,874 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-15 19:36:08,874 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-15 19:36:08,874 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-15 19:36:08,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-15 19:36:08,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-15 19:36:08,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-15 19:36:08,956 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-15 19:36:08,956 INFO L276 PluginConnector]: CDTParser initialized [2018-09-15 19:36:08,957 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label35_true-unreach-call.c [2018-09-15 19:36:09,321 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8e24e3b/1d4a53c5dc6c402b8af238bc4601dbb0/FLAG1b918274e [2018-09-15 19:36:09,720 INFO L277 CDTParser]: Found 1 translation units. [2018-09-15 19:36:09,721 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label35_true-unreach-call.c [2018-09-15 19:36:09,737 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8e24e3b/1d4a53c5dc6c402b8af238bc4601dbb0/FLAG1b918274e [2018-09-15 19:36:09,754 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8e24e3b/1d4a53c5dc6c402b8af238bc4601dbb0 [2018-09-15 19:36:09,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-15 19:36:09,773 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-15 19:36:09,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-15 19:36:09,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-15 19:36:09,783 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-15 19:36:09,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:36:09" (1/1) ... [2018-09-15 19:36:09,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a7298d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:09, skipping insertion in model container [2018-09-15 19:36:09,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:36:09" (1/1) ... [2018-09-15 19:36:09,802 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-15 19:36:10,469 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:36:10,499 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-15 19:36:10,706 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-15 19:36:10,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:10 WrapperNode [2018-09-15 19:36:10,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-15 19:36:10,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-15 19:36:10,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-15 19:36:10,802 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-15 19:36:10,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:10" (1/1) ... [2018-09-15 19:36:10,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:10" (1/1) ... [2018-09-15 19:36:11,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-15 19:36:11,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-15 19:36:11,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-15 19:36:11,011 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-15 19:36:11,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:10" (1/1) ... [2018-09-15 19:36:11,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:10" (1/1) ... [2018-09-15 19:36:11,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:10" (1/1) ... [2018-09-15 19:36:11,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:10" (1/1) ... [2018-09-15 19:36:11,384 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:10" (1/1) ... [2018-09-15 19:36:11,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:10" (1/1) ... [2018-09-15 19:36:11,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:10" (1/1) ... [2018-09-15 19:36:11,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-15 19:36:11,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-15 19:36:11,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-15 19:36:11,446 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-15 19:36:11,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-15 19:36:11,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-15 19:36:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-15 19:36:11,530 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-09-15 19:36:11,530 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-09-15 19:36:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-15 19:36:11,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-15 19:36:11,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-15 19:36:11,532 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-15 19:36:16,265 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-15 19:36:16,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:36:16 BoogieIcfgContainer [2018-09-15 19:36:16,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-15 19:36:16,268 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-15 19:36:16,268 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-15 19:36:16,272 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-15 19:36:16,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:36:09" (1/3) ... [2018-09-15 19:36:16,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b83aeb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:36:16, skipping insertion in model container [2018-09-15 19:36:16,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:36:10" (2/3) ... [2018-09-15 19:36:16,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b83aeb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:36:16, skipping insertion in model container [2018-09-15 19:36:16,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:36:16" (3/3) ... [2018-09-15 19:36:16,278 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label35_true-unreach-call.c [2018-09-15 19:36:16,290 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-15 19:36:16,301 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-15 19:36:16,363 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-15 19:36:16,364 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-15 19:36:16,365 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-15 19:36:16,365 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-15 19:36:16,365 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-15 19:36:16,365 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-15 19:36:16,365 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-15 19:36:16,365 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-15 19:36:16,366 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-15 19:36:16,405 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states. [2018-09-15 19:36:16,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-15 19:36:16,416 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:36:16,417 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:36:16,418 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:36:16,423 INFO L82 PathProgramCache]: Analyzing trace with hash 460642553, now seen corresponding path program 1 times [2018-09-15 19:36:16,425 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:36:16,426 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 66 with the following transitions: [2018-09-15 19:36:16,429 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [1088], [1092], [1098], [1102], [1109], [1110], [1111], [1113] [2018-09-15 19:36:16,502 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:36:16,502 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:36:22,689 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:36:22,691 INFO L272 AbstractInterpreter]: Visited 64 different actions 64 times. Never merged. Never widened. Never found a fixpoint. Largest state had 27 variables. [2018-09-15 19:36:22,711 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:36:24,268 INFO L232 lantSequenceWeakener]: Weakened 63 states. On average, predicates are now at 75.75% of their original sizes. [2018-09-15 19:36:24,268 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:36:24,650 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:36:24,653 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:36:24,654 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-09-15 19:36:24,654 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:36:24,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-09-15 19:36:24,670 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-09-15 19:36:24,671 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:36:24,674 INFO L87 Difference]: Start difference. First operand 293 states. Second operand 6 states. [2018-09-15 19:36:33,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:36:33,455 INFO L93 Difference]: Finished difference Result 776 states and 1363 transitions. [2018-09-15 19:36:33,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-15 19:36:33,460 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-09-15 19:36:33,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:36:33,480 INFO L225 Difference]: With dead ends: 776 [2018-09-15 19:36:33,481 INFO L226 Difference]: Without dead ends: 481 [2018-09-15 19:36:33,489 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 64 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-09-15 19:36:33,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-09-15 19:36:33,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2018-09-15 19:36:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-09-15 19:36:33,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 682 transitions. [2018-09-15 19:36:33,585 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 682 transitions. Word has length 65 [2018-09-15 19:36:33,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:36:33,586 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 682 transitions. [2018-09-15 19:36:33,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-09-15 19:36:33,586 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 682 transitions. [2018-09-15 19:36:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-09-15 19:36:33,600 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:36:33,600 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:36:33,601 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:36:33,601 INFO L82 PathProgramCache]: Analyzing trace with hash 244370513, now seen corresponding path program 1 times [2018-09-15 19:36:33,602 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:36:33,602 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-09-15 19:36:33,603 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:36:33,621 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:36:33,621 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:36:45,368 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:37:11,991 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:37:11,991 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:37:12,000 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:37:14,773 INFO L232 lantSequenceWeakener]: Weakened 180 states. On average, predicates are now at 74.05% of their original sizes. [2018-09-15 19:37:14,773 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:37:15,866 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:37:15,866 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:37:15,867 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:37:15,867 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:37:15,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:37:15,869 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:37:15,869 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:37:15,870 INFO L87 Difference]: Start difference. First operand 479 states and 682 transitions. Second operand 12 states. [2018-09-15 19:37:34,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:37:34,812 INFO L93 Difference]: Finished difference Result 959 states and 1545 transitions. [2018-09-15 19:37:34,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:37:34,814 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 182 [2018-09-15 19:37:34,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:37:34,821 INFO L225 Difference]: With dead ends: 959 [2018-09-15 19:37:34,821 INFO L226 Difference]: Without dead ends: 676 [2018-09-15 19:37:34,826 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 190 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:37:34,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2018-09-15 19:37:34,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 672. [2018-09-15 19:37:34,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-09-15 19:37:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 895 transitions. [2018-09-15 19:37:34,874 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 895 transitions. Word has length 182 [2018-09-15 19:37:34,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:37:34,875 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 895 transitions. [2018-09-15 19:37:34,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:37:34,875 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 895 transitions. [2018-09-15 19:37:34,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-15 19:37:34,880 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:37:34,881 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:37:34,881 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:37:34,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1990605573, now seen corresponding path program 1 times [2018-09-15 19:37:34,882 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:37:34,882 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 193 with the following transitions: [2018-09-15 19:37:34,882 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:37:34,889 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:37:34,890 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:38:03,166 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:38:17,580 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:38:17,580 INFO L272 AbstractInterpreter]: Visited 134 different actions 389 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:38:17,586 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:38:20,384 INFO L232 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 74% of their original sizes. [2018-09-15 19:38:20,384 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:38:21,087 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:38:21,087 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:38:21,087 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-09-15 19:38:21,088 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:38:21,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-09-15 19:38:21,089 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-09-15 19:38:21,089 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2018-09-15 19:38:21,089 INFO L87 Difference]: Start difference. First operand 672 states and 895 transitions. Second operand 12 states. [2018-09-15 19:38:39,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-15 19:38:39,844 INFO L93 Difference]: Finished difference Result 1153 states and 1762 transitions. [2018-09-15 19:38:39,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-15 19:38:39,846 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 192 [2018-09-15 19:38:39,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-15 19:38:39,856 INFO L225 Difference]: With dead ends: 1153 [2018-09-15 19:38:39,856 INFO L226 Difference]: Without dead ends: 870 [2018-09-15 19:38:39,859 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:38:39,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-09-15 19:38:39,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 861. [2018-09-15 19:38:39,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-09-15 19:38:39,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1117 transitions. [2018-09-15 19:38:39,903 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1117 transitions. Word has length 192 [2018-09-15 19:38:39,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-15 19:38:39,904 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1117 transitions. [2018-09-15 19:38:39,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-09-15 19:38:39,904 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1117 transitions. [2018-09-15 19:38:39,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-09-15 19:38:39,909 INFO L368 BasicCegarLoop]: Found error trace [2018-09-15 19:38:39,909 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-15 19:38:39,909 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-15 19:38:39,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1047372477, now seen corresponding path program 1 times [2018-09-15 19:38:39,910 INFO L69 tionRefinementEngine]: Using refinement strategy ToothlessTaipanRefinementStrategy [2018-09-15 19:38:39,910 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-09-15 19:38:39,911 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [421], [423], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1092], [1098], [1102], [1104], [1109], [1110], [1111], [1113], [1114] [2018-09-15 19:38:39,917 INFO L148 AbstractInterpreter]: Using domain OctagonDomain [2018-09-15 19:38:39,917 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-09-15 19:39:30,204 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-09-15 19:40:12,543 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-09-15 19:40:12,543 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-09-15 19:40:12,547 INFO L399 sIntCurrentIteration]: Generating AbsInt predicates [2018-09-15 19:40:18,444 INFO L232 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 74.04% of their original sizes. [2018-09-15 19:40:18,444 INFO L412 sIntCurrentIteration]: Unifying AI predicates [2018-09-15 19:40:20,874 INFO L423 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-09-15 19:40:20,875 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-15 19:40:20,875 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2018-09-15 19:40:20,875 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-15 19:40:20,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-09-15 19:40:20,876 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-09-15 19:40:20,877 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2018-09-15 19:40:20,877 INFO L87 Difference]: Start difference. First operand 861 states and 1117 transitions. Second operand 21 states. Received shutdown request... [2018-09-15 19:40:38,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-09-15 19:40:38,982 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-15 19:40:38,988 WARN L206 ceAbstractionStarter]: Timeout [2018-09-15 19:40:38,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.09 07:40:38 BoogieIcfgContainer [2018-09-15 19:40:38,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-15 19:40:38,989 INFO L168 Benchmark]: Toolchain (without parser) took 269221.91 ms. Allocated memory was 1.5 GB in the beginning and 3.8 GB in the end (delta: 2.3 GB). Free memory was 1.4 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-09-15 19:40:38,991 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-15 19:40:38,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1025.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-09-15 19:40:38,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 208.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-15 19:40:38,993 INFO L168 Benchmark]: Boogie Preprocessor took 433.78 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 789.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -912.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2018-09-15 19:40:38,994 INFO L168 Benchmark]: RCFGBuilder took 4822.20 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 173.7 MB). Peak memory consumption was 173.7 MB. Max. memory is 7.1 GB. [2018-09-15 19:40:38,995 INFO L168 Benchmark]: TraceAbstraction took 262720.48 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 2.5 GB in the end (delta: -493.9 MB). Peak memory consumption was 968.8 MB. Max. memory is 7.1 GB. [2018-09-15 19:40:39,000 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1025.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 208.94 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 433.78 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 789.6 MB). Free memory was 1.3 GB in the beginning and 2.2 GB in the end (delta: -912.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4822.20 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 173.7 MB). Peak memory consumption was 173.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 262720.48 ms. Allocated memory was 2.3 GB in the beginning and 3.8 GB in the end (delta: 1.5 GB). Free memory was 2.0 GB in the beginning and 2.5 GB in the end (delta: -493.9 MB). Peak memory consumption was 968.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 180]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 180). Cancelled while BasicCegarLoop was constructing difference of abstraction (861states) and FLOYD_HOARE automaton (currently 21 states, 21 states before enhancement), while ReachableStatesComputation was computing reachable states (1039 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 293 locations, 1 error locations. TIMEOUT Result, 262.6s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 64.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1051 SDtfs, 4394 SDslu, 1986 SDs, 0 SdLazy, 10999 SolverSat, 832 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.2s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 665 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=861occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 180.0s AbstIntTime, 4 AbstIntIterations, 4 AbstIntStrong, 0.9948197606425456 AbsIntWeakeningRatio, 0.13132911392405064 AbsIntAvgWeakeningVarsNumRemoved, 41.23892405063291 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: No data available, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label35_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-15_19-40-39-017.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem11_label35_true-unreach-call.c_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-15_19-40-39-017.csv Completed graceful shutdown